期刊
CHEMICAL BIOLOGY & DRUG DESIGN
卷 91, 期 2, 页码 631-640出版社
WILEY
DOI: 10.1111/cbdd.13087
关键词
antibiotic; cytotoxicity; genotoxicity; Mycobacterium tuberculosis; TB; triazenide salts
资金
- Slovenian Research Agency [P1-0230]
- Research Foundation Flanders (FWO-Vlaanderen) [12N5915N, 1S31316N]
The diverse pharmacological properties of the diaryltriazenes have sparked the interest to investigate their potential to be repurposed as antitubercular drug candidates. In an attempt to improve the antitubercular activity of a previously constructed diaryltriazene library, eight new halogenated nitroaromatic triazenides were synthesized and underwent biological evaluation. The potency of the series was confirmed against the Mycobacterium tuberculosis lab strain H37Ra, and for the most potent derivative, we observed a minimal inhibitory concentration of 0.85m. The potency of the triazenide derivatives against M.tuberculosis H37Ra was found to be highly dependent on the nature of the halogenated phenyl substituent and less dependent on cationic species used for the preparation of the salts. Although the inhibitory concentration against J774A.1 macrophages was observed at 3.08m, the cellular toxicity was not mediated by the generation of nitroxide intermediate as confirmed by electron paramagnetic resonance spectroscopy, whereas no in vitro mutagenicity could be observed for the new halogenated nitroaromatic triazenides when a trifluoromethyl substituent was present on both the aryl moieties.
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